Program and book of abstracts 1st conference

1 st Conference of European Academy for Molecular Hydrogen Research in Biomedicine “Hydrogen for Biomedicine“

Valenta Michal

Michal Valenta is a PhD student of Faculty of Physical Culture, Palacký University Olomouc, Czech Republic. He is the part of research team formOlomouc, which is focused on impact of molecular hydrogen supplementation on performance and physiological response during different types of exercise. He is working on his dissertation evaluating the effect of hydrogen rich water supplementation on performance, acute physiological response and recovery process during and after long distance running.

HYDROGEN RICH-WATER SUPPLEMENTATION DOES NOT IMPROVERUNNINGPERFORMANCEATMAXIMALAEROBIC SPEED IN NATIONAL LEVEL TRACK AND FIELD RUNNERS Michal Valenta;Michal Botek; JakubKrejčí; AndrewMcKune, Barbora Sládečková, IvaKlimešová, FilipNeuls Palacky University Olomouc, Faculty of Physical Culture University of Canberra Faculty of Health, UC-Research Institute for Sport and Exercise and Leisure Sciences BACKROUND: Acute ingestion of hydrogen rich water (HRW) as a hydration strategy prior to exercise seems to have beneficial effect on sport performance, however the results of recent studies are inconsistent. OBJECTIVES: The aim of this study is to investigate the effects of acute, pre-exercise, hydrogen rich water (HRW) ingestion on running time to exhaustion at maximal aerobic speed in trained track and field runners. METHODS: Twenty-four, male runners aged 17.5 ± 1.8 years, with body mass index = 21.0 ± 1.3 kg ⋅ m-2, and maximal oxygen uptake = 55.0 ± 4.6 ml ⋅ kg-1 ⋅ min-1 (mean ± standard deviation) completed this randomized, double blinded, placebo controlled, cross over study. All participants ingested 1260 ml of HRW/placebo which was divided into four doses and taken at 120 min (420 ml), 60 min (420 ml), 30 min (210 ml), and 10 min (210 ml) prior to exercise. The running protocol consisted of three phases: warm-up performed at 10 km ⋅ h-1 for 3min, followed by a transition phase performed at an individually determined speed (10 km ⋅ h 1 + maximal aerobic speed)/2 for 1 min, and finally the third phase performed at individual maximal aerobic speed until exhaustion. Time to exhaustion, cardiorespiratory variables, and post-exercise blood lactate concentration were measured. RESULTS: When running to exhaustion at maximal aerobic speed, compared with placebo, HRW had no significant effects on the following variables: time to exhaustion (217 ± 49 and 227 ± 53 s, p = 0.20), post-exercise blood lactate concentration (9.9 ± 2.2 and 10.1 ± 2.0 mmol L-1, p = 0.42), maximal heart rate (186 ± 9 and 186 ± 9 beats ⋅ min-1, p = 0.80), and oxygen uptake (53.1 ± 4.5 and 52.2 ± 4.7 ml ⋅ kg-1 ⋅ min-1, p = 0.33). No variable assessed as a potential moderator was significantly correlated with individual responses of time to exhaustion (r ranged from −0.20 to 0.28, all p ≥ 0.18). CONCLUSIONS: Pre-exercise administration of 1260 ml of HRW had no significant effect on running performance to exhaustion at maximal aerobic speed in trained track and field runners.

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